Carbureter-nozzle.



vW. C. M. SCHRADER' CARBURETER NOZZLE.

APPLICATION FILED MAR. 29. 1915.

' Patented .Mayl,1917. I

2 sunwsuzn 1.

W. C. M. SCHRADER.

CA RBURETER NOZZLE. APPLICAT'ONIFILED MAR. 29, l9l5.

1 ,224,672; Patented May 1 1917 -2.SHEETSISHEET 2.

WILLIAM C. M. SCI-IRADER; OF NEW YORK, N. Y.

GARBURETER-NOZZLE.

[ all ioiwm it may concern:

Be it known that 1, WILLIAM C. M. Sonnaunn, a native of Germany, having declared my intention of becoming a citizen of the United States, and a resident of the borough of Manhattan, city, county, and State of New York, have invented certain new and useful Improvements in Carburater-Nozzles, "of specification;

which, the following: is a Amon theobjects of myi'iiivention are,

the attainment and utilizationof the full conditions; obviation of car on deposits;-

efiiciency of the liquid hydrocarbon fuel;-

smooth and uniform-: operation .(by fuel feed) of motor under varyin atmospheric control of temperature of nozzle and fuel; perfect; atomization of fuel; the. use of moist I air to increase oxidization; automatic regulat-ion of feed to meet requirements, &c., all as hereinafter more fully set forth,-the invcntion consisting in the construction and arrangement of parts herein described and claimed specifically, whereby these results are attained.

In the accompanying drawings,

Figure '1, is a central longitudinal sec- I tional elevation upon a greatly enlarged scale of a feed nozzle adapted to my method of teeding hydrocarbon fuel to motors, said nozzle being showmmore or less diagrammatically for convenience, of illustration;

Fig. 2, is a diagrammatic section showing means for effecting and regulating the supply of moist air to the feed nozzle;

Fig. 3, is a diagrammatic .view illustrating means for s'upplyin nozzle.

Fig; 4 is a sectional and diagrammatic view showing the application or my improved. nozzle.

InE'g. l, a. designates the inlet for the supply of liquid hydro-carbon to the motor feed nozzle A, said inlet passage being pretei ably provided witha strainer a, partitioning ofi' the direct feed chamber (L in which the rear end of the direct feed conduit 0, is situated. The main body of the rear extension I), to which theinletconduit is securedtby means if its disk shaped flange 'jrt, formed? with a peripheral screw thread oflfor engagementv with thefemale thread 72 on the extension 6. L

The direct feed conduit 0, consists of a central tube a, and tubular sleeve or jacket Specification of Letters Patent.

2; hot air to the feed Patented May 1, 1917.

Application filed March, 1915. Serial No. 17,951.

' ally from one extremity of the said central tube 0, to the other so as to aflord direct communication between the feed chamber 02, and the ajutage chamber d,,which is countersunk in'the head member 01, secured to the body portion 1),0f the nozzle A. The .70 inner side walls of the ajutagechamber at, are conically convergent'toward .the valve port (Z and the. chamber at is inclosed at top by a partition (1 formed with a central opening (i coincident with the spout c, of 75 the direct feed conduct 0". The partition (Z separates the ajutage chamber d from the mixing chamber a, inclosed by" the cap. 0, and from which the fuel admixture is finally discharged into the combustion cham- -30 ber of the motor through the screened aperture e. e 1

Between the centraltubec', and its sleeve is formed a spiral duct or passage 0, communicating at bottom with the axial" feed chamber a and at top with the valve chamber f, in which tlieconieal valve c ,'is situated. The valve chamber f, communi cates through one or more ducts g, with the hydro-carbon reserve chamber 9, which in turn communicates through the ducts g with the direct feed chamber a below.

H, is a hot air jacketpr compartment-surrounding the body portion 6, of the nozzle, and connected by a pipe or flue it, so an ranged that the air will be heated by the exhaust pipe h, of the motor. A puril'ie t, is interposed. in the conduit 7 ,-between-the jacket H, and said exhaust, as indicated in Fig. 3. The hot air jacket H, c'ommunicates through ducts it, withfthe hydro-carbon reserve chamber 9, and through, ducts hf, with the chamber l), suit unding the direct feed 'a, a -It also vnbominunicates through the ducts'h with the ajutage Chitin: 10o

'ber al. v

The direct freed conduit c,i considered as a whole, is adjustable longitudinally on and in the body portion 71,- b Y IHGZLIIS of; the ,screw thread 0 by which it engages "w th said bod portion b. This adjustment or removabi ity, for the purpose'of introduce ing the spiral a, may be efi'ected by means of the collar or flange a, before the application of the supply conduit 0, a, a, or the latter may be removed temporarily for the slidable on the spout a, a sprin i', bein 1 which is perforate interposed between said disk va ve t, on

a shoulder c, on said spout 0, so that nor mally the supply of vapor from the valve chamber 7', is cut off and remains so until the suction in the mixing chamber a and ajutage chamber (l',is sufiicient to disk valve i, against the resistance of the spring 2'.

The valve cone 0 is adjusted with relation to the port (F by turning and screwing the member 0 up or down, the art 0' moving with the member 0, as wil be obvious from an inspection of Fig. 1. The helical passage 0 connects the feed chamber a with the valve chamber f, as is also evident from T he cap e, extends down around the upper portion of the body portion b, like an apron and is secured t ereto by screws e, or otherwise, but in any case passages e, are formedbetween it and said body portion b, which passages open communication between the atmosphere and the annular space k, closed at to to control the injection of air into the mixing chamber e. A pipe on, connects the annu ar space k, with a source of moisture, as for instance the water vaporizer M, consistin of a cylindrical air chamber m, into w ich water is injected by any suitable means, as by gravity through a spout n, connected by pipe n, with a water tank N,-a valve n, being interposed in the pipe, n, to re ulate the flow. The nozzle n, is surroun ed by an inverted conical cup or shell m, which acts as a retardin reservoir for the water which escapes there rom through the central open ing m, immediately above the s out 11. Air is admitted to the chamber m, t irough ports m, the area of which may be regulated by sliding the telescopic cylinders m, m, con

stituting the sides of the chamber m, one upon the other, as will be readily understood by reference to Fig. 2. The end of the moisture pipe m, within the vapor chum-Q ber m, is preferably rovided with an invcrtcd funnel m", and the pipe is boxed at its connection with the vaporizer M, so that it and the funnel m", may be adjusted toward or from the s out n, and reservoir m, for the purpose ot regulating the area of thc air space into which the water is injected.

lift the feed conduit 0, is sufficient.

by an annular cap is;

In lieu of water from the N, which may be shut ofl' entirely when desired by means of the valve it, a decarboninng liquid may be substituted, derived from the tank P, and controlled by the valve p.

The suction of the engine draws m warm air through the flue h as well as external air throu h the assages 6.. It is to be unde gpy kind, but only suction. Hot air will passage h. The exhaust the assage h, inciden in t e purifier h to be delive assesofl yheati them that t ere are no injections of drawn into the chamber 9 through the v to the jacket it through the passage olrfflule eve \e c adjusted on the scr'ew c to'rcgulate the cap k with relation to its conical seat.

At low motor speed the supply of hydrocarbon delivered directly throu the axial the speed increases the'suction exerted in the mixing chamber e, and sjutage chamber (1', raises the valve 1', against the resistance of its springs, drawing an auxiliary supply of hydro-carbon vapor from the valve chamber f, which derives its suppl from thereserve chamber 9, and also 111 the feed chamber a, through the medium of the spiral ducto.

Atmospheric and moist air' admitted through the ducts a, k, k','lc',;a.nd h', increase the supply of ox gen and insures perfeet combustion of f ue .thereby preventing carbonization, since on y gaseous products 'result from the ignition of the thorough admixture of hydro-carbon vapor, air, and moisture.

The longitudinal adjustment of the direct feed conduit 0, enables me to regulate the admission of the' auxiliary sup ily of fuel through the high speed port with accuracy, according to the conditions and requirements of use; and the automatic check valve 1', prevents an over supply of fuel when the motor is working at low speed.-

I'have found by ex rimenta investigatlon that moist stmosp ere or m toned sir, introduced into the hydro-carbon charge tends to insure more perfect combustion, resulting in the attainment of the full emciency of both fuel and motor. which latter consequently runs more smoothly and evenly, avoiding the deleterious oflects of carbon bottom With'a gasolene supply tank,- and is so arranged as to inject into the Venturi tube leading to the throttle."

' What I claim as my invention and desire tosecure by Letters Patent is,

. 1. In a nozzle provided with an inlet for the supply of hydrocarbon, a direct feed chamber, an axially disposed direct feed fuel conduit, 'meansincluding passages for heated air surrounding the nozzle for vaporizing the hydrocarbon, and passages within the nozzlefor heating all parts there of, and means for inducin moist air at at mospheric pressure into t e vaporized hydrocarbon. l '2 A nozzle having auxiliary and main chambers and amixing chamber at the end with a port at its inner end, a longitudinally adjustable axial hydrocarbon feed conduit controllingsaid. port, in directicommunica tion with the main feed chamber and formed with a conical portion for regulating the through the body of the nozzle may be of fected, said chambers being connected by ports extending lengthwise of the nozzle.

3. A nozzle having auxiliary andvmain chambers and a mixing chamber at the end with a port at its inner end, a longitudinally adjustable axial hydrocarbon feed conduit controlling said port in direct communication with the main feed chamber and formed with a conical portion for regulating the area of the port through which an auxiliary supply of hydrocarbon may be admitted to the mixing chamber, means within the n0zzle whereby a circulation of hot air through the body of the nozzle may be effected, said chambers: being connected by ports extending lengthwise of the nozzle, and-a valvefor controlling the auxiliary supply of hy-.

drocarbon.

41A nozzle having a mixing and a. fuel chamber, means including longitudinally disposed duct-s within said nozzle for effectlog. a supply of hydrocarbon to the mixing chamber through an auxiliary high speed supply chamber, an auxiliary high speed supply chamber, a helical duct leading from the fuel chamber for inducing a jet of hydrocarbon into a chamber adjacent the outer end of thenozzle, said nozzle being formed with. orts affording communication between said uel, auxiliary high speed supply and mixing chambers. r

5. ,A nozzle having means including ducts within thenoz'zle for inducing air at atmos pheric pressure into the vaporized hydrocarbon. means for vaporizing such hydropheric pressure into the vaporized hydro-' carbon, means for vaporizing such hydro carbon embodying a mixing chamber at the outer end of the nozzle, a main fuel feed supply chamber, an auxiliary fuel supply chamber for high speed, an axial main feed conduit, ducts affording communication between the auxiliary high speed supply chamher and a valve-controlled chamber at the outer end ofthe nozzle, and a helical duct leading from the fuel chamber for inducing a jet of hydrocarbon into a chamber ad.- jacent said valve chamber.

7. A nozzle of the character'- designated formed with a mixing chamber at one end, an axial. fuel supply for the same at low speed, an auxiliary fuel supply for hi h speed, a suction valve controlling the supp y from said auxiliary fuel supply to the mixing chamber, said chambers being disposed .t the longitudinal axis of the nozzle ad1acent opposite ends thereof and through which the axial fuel supply extends.

8. A nozzle of the character designated formed with a mixing chamber at one end, an axial uel supply for the same at low speed, an auxiliary fuel supply for hi h' speed, a suction valve controlling the supp y from said auxiliary fuel supply to the mix-'' ing chamber, said chambers being coaxially disposed adjacent opposite ends of the nozzle and through which the axial fuel sup-- ply extends, and means for adjusting the area of the exit port of the auxiliary supply chamber.

9. A nozzlecomprising an inlet for the supply of liquid hydrocarbon at one end thereof, a direct feed chamber, and a direct feed conduit extending within said chamber, said feed conduit comprising a central tube and a tubular jacket secured thereto with a helical duct between said tube and jacket and communicating with the axial feed chamber at one end and with a valve chamber near the other end of the nozzle,

10. A nozzle comprising an inlet for the supply of liquid hydrocarbon at. one end thereof, a direct feed chamber, and a direct feed conduit extending within saidchamber,

said feed conduit comprising aicentral tube and a tubular jacket secured thereto with a valw e chamber, and a jacket surroundin; helical duct between said tube and jacket the body portion of the nozzle and comm and communicating with the axial feed nicating with said reserve chamber;

chamber at one end and with a valve cham- WILLIAM. C. M. SCHRADER. 5 her near the other end of the nozzle, said \vitnessesz nozzle being formed with a hydrocarbon Dono'rnr Mun,

reserve chamber in communication with said Gm. Wu. Mun. 

